not to be a *** about it, but if that was really hard for you, i'd recommend grabbing the merit abyssites (key item, six of them that increase your hp/mp by 10%/5% each respectively), because 2.6k hp on a mnk (even tarutaru) is super low, and obviously caused some you unneeded friction as far as cure bombing and stability would normally be if you had them <_> lol
i've done that fight before many times, and without question it's much easier than even ketea (vunkerl's t3 avnm), which even then he's pretty easy to handle too